package day01;

import javax.swing.*;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

public class JFrame {
    public static void main(String[] args) {
        JFrame jframe =new JFrame();
        JButton card = new JButton();
        int[] a =new int[]{3,4};
        System.out.println(Arrays.asList(a));
    }
}
